2149511

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 2810880

約数和(自身を除く): 661369

約数列:

[1, 7, 13, 23, 79, 91, 161, 169, 299, 553, 1027, 1183, 1817, 2093, 3887, 7189, 12719, 13351, 23621, 27209, 93457, 165347, 307073, 2149511]

約数ペア:

[(1, 2149511), (7, 307073), (13, 165347), (23, 93457), (79, 27209), (91, 23621), (161, 13351), (169, 12719), (299, 7189), (553, 3887), (1027, 2093), (1183, 1817)]